Wristwatch



FIG. 1 is a perspective view of the wristwatch;

FIG. 2 is a top view of the wristwatch;

FIG. 3 is a bottom view of the wristwatch;

FIG. 4 is a right side view of the wristwatch; and,

FIG. 5 is a left side view of the wristwatch. 

The ornamental design for a wristwatch, as shown. 